Question
What is accomplished by this simple pulley?
(1 point)
Responses
It changes the direction of the force needed to lift the object.
It changes the direction of the force needed to lift the object.
It changes the total work done to lift the object.
It changes the total work done to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the duration needed to lift the object.
(1 point)
Responses
It changes the direction of the force needed to lift the object.
It changes the direction of the force needed to lift the object.
It changes the total work done to lift the object.
It changes the total work done to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the distance of the pull needed to lift the object.
It changes the duration needed to lift the object.
Answers
GPT-4o mini
The correct response is:
**It changes the direction of the force needed to lift the object.**
A simple pulley allows you to pull down on a rope to lift an object upwards, effectively changing the direction of the force applied.
**It changes the direction of the force needed to lift the object.**
A simple pulley allows you to pull down on a rope to lift an object upwards, effectively changing the direction of the force applied.